DS-5 Problem starting gdbserver to debug C/C   project for ARM --

I am running DS-5 Ultimate edition trial version on Windos 7- [new to DS-5 ]

I am able to build Hello Example- but when i am trying to debug it - I am facing following problem -

please guide me -

com.arm.debugger.control.target.TargetControllerException: Failed target configuration:

Unable to run the gdbserver configuration application: Failed to set working directory /hello/stripped

  at com.arm.debugger.control.target.AbstractTargetController.runTargetControlProcess(AbstractTargetController.java:242)

  at com.arm.debugger.control.target.RTSMGDBTargetController.configureGdbConnection(RTSMGDBTargetController.java:455)

  at com.arm.debugger.control.target.RTSMGDBTargetController.startGDBServer(RTSMGDBTargetController.java:353)

  at com.arm.debugger.control.target.RTSMGDBTargetController.doTargetSetup(RTSMGDBTargetController.java:155)

  at com.arm.debugger.control.target.AbstractTargetController.setupTarget(AbstractTargetController.java:94)

  at com.arm.debugger.control.target.RTSMGDBTargetController.setupTarget(RTSMGDBTargetController.java:1)

  at com.arm.debugger.control.ConnectionController.doPreDebugServiceInitialization(ConnectionController.java:645)

  at com.arm.debugger.control.ConnectionController.doInitialize(ConnectionController.java:555)

  at com.arm.debugger.control.ConnectionController.manageThreadModelAndInitialize(ConnectionController.java:539)

  at com.arm.debugger.control.ConnectionController.manageProgressResourceAndInitialize(ConnectionController.java:484)

  at com.arm.debugger.control.ConnectionController.initialize(ConnectionController.java:432)

  at com.arm.debugger.control.ConnectionManager.createConnection(ConnectionManager.java:360)

  at com.arm.debugger.launcher.TargetLauncher.launch(TargetLauncher.java:20)

  at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:858)

  at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:707)

  at org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:1018)

  at org.eclipse.debug.internal.ui.DebugUIPlugin$8.run(DebugUIPlugin.java:1222)

  at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)